Granted Patent
Utility
US 4,548,435 · App. 06/137,554
Latch assembly channel
Inventor:
William R. Bourne
Patented Case
View Patent ↗
Granted: Oct 22, 1985
Filed: Apr 4, 1980
Inventor
William R. Bourne
Assignee (at issue)
Hartwell Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.